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HOLOPHANE CO INC

Overview
  • Total Patents
    369
About

HOLOPHANE CO INC has a total of 369 patent applications. Its first patent ever was published in 1923. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, machines and audio-visual technology are JJI LIGHTING GROUP INC, SKIBA KRZYSZTOF and SIGNCOMPLEX CO LTD.

Patent filings per year

Chart showing HOLOPHANE CO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Rolph Thomas W 81
#2 Kurt Franck 39
#3 Wince Vearl S 36
#4 Dorey William A 24
#5 Franck Kurt 16
#6 Tuck Davis H 16
#7 Odle Herbert A 13
#8 Logan Henry L 11
#9 Mcphail Robert G 10
#10 Maurice Exelmans 6

Latest patents

Publication Filing date Title
US5243508A Modular luminaire assembly
US5278745A Apparatus and method for pivotably attaching a refractor to a reflector in a lighting fixture
US5174648A Lighting fixture support assembly
US5188453A Internally illuminated sign
US5121309A Industrial luminaire with a quickly installed new and improved optical assembly
US4954935A Lighting system for illuminating billboards and the like
ES423790A1 A lighting installation to illuminate flat work zones. (Machine-translation by Google Translate, not legally binding)
US3888583A Illuminating system with gas discharge lamp used at low and high power levels
US3800138A Positive prismatic light shield
US3809881A Prismatic reflectors
US3778932A Door and hinge assembly
US3766375A Interchange and area lighting luminaire
US3763369A Refractive grid
ES396659A1 A lighting apparatus. (Machine-translation by Google Translate, not legally binding)
ES396658A1 A lighting apparatus. (Machine-translation by Google Translate, not legally binding)
AU3466971A Luminaires utilizing high intensity light sources
AU3456971A Veiling glare control with luminaires having linearly extending light sources
ZA7106855B Veiling clare control with luminaires using extended linear sources
ZA7106857B Luminaire
US3760226A Electric system